URD, All Sizes
Underground residential distribution cable, single conductor or duplex, triplex and quadruplex, for direct burial service laterals. URD is made of conductors rated for underground service (USE-2) and is buried directly. NEC Article 338 and the cover depths of Table 300.5 apply.
We list 45 sizes and builds of URD. All of them are priced online, from $0.7275/ft. Sold by the foot in whole feet from 50 ft, or on standard spools and coils. Each size has its own page with the price for every color and length, the date an order placed now ships, and the full specifications.
The ampacity column is from NEC Table 310.16, 75 C column, for not more than three current-carrying conductors at 30 C ambient.
Code references are to the NEC; check the edition your jurisdiction has adopted and any local amendments.